<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
 <form method="post" action="/ocrAll" enctype="multipart/form-data">
        <input type="file" name="file">
        <button type="submit">上传</button>
    </form>
</body>
</html>
